PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The established database structures may also need to provide flexibility to be used for different types of relational databases, besides just SQL. Existing techniques, however, do not provide this flexibility without having to rewrite the monolithic code defining the database.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com